Move

using System;
using System.Linq;

namespace Move
{
    class Program
    {
        static void Main(string[] args)
        {
            int startingPoint = int.Parse(Console.ReadLine());
            int[] numbers = Console.ReadLine().Split(',').Select(int.Parse).ToArray();
            string[] command = Console.ReadLine().Split();
            int sumForward = 0;
            int sumBackward = 0;
            int index = 0;
            while (command[0] != "exit")
            {
                int step = int.Parse(command[0]);
                string direction = command[1];
                int size = int.Parse(command[2]);
                if (direction == "forward")
                {
                    while (step != 0)
                    {
                        index = startingPoint + size;
                        while (index >= numbers.Length)
                        {
                            index -= numbers.Length;
                        }

                        sumForward += numbers[index];
                        startingPoint = index;
                        step--;
                    }
                }

                else
                {
                    while (step != 0)
                    {
                        index = startingPoint - size;
                        while (index < 0)
                        {
                            index += numbers.Length;
                        }

                        sumBackward += numbers[index];
                        startingPoint = index;
                        step--;
                    }
                }

                command = Console.ReadLine().Split();
            }

            Console.WriteLine($"Forward: {sumForward}");
            Console.WriteLine($"Backwards: {sumBackward}");
        }
    }
}